tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

breakpoint-multi-04.js (1312B)


      1 // After clearing one breakpoint, another breakpoint from a different Debugger object at the same instruction still works.
      2 
      3 function test(which) {
      4    var g = newGlobal({newCompartment: true});
      5    g.eval("var line0 = Error().lineNumber;\n" +
      6           "function f() {\n" +             // line0 + 1
      7           "    return " + which + ";\n" +  // line0 + 2
      8           "}\n");
      9 
     10    var log;
     11    var scripts = [];
     12    var handlers = [];
     13    function addDebugger(g, i) {
     14        var dbg = Debugger(g);
     15        dbg.onDebuggerStatement = function (frame) {
     16            var s = frame.eval("f").return.script;
     17            scripts[i] = s;
     18            var offs = s.getLineOffsets(g.line0 + 2);
     19            var handler = {hit: function (frame) { log += '' + i; } };
     20            s.setBreakpoint(0, handler);
     21            handlers[i] = handler;
     22        };
     23    }
     24 
     25    var expected = '';
     26    for (var i = 0; i < 3; i++) {
     27        addDebugger(g, i);
     28        if (i !== which)
     29            expected += '' + i;
     30    }
     31    g.eval('debugger;');
     32 
     33    for (var i = 0; i < 3; i++)
     34        assertEq(scripts[i].getBreakpoints()[0], handlers[i]);
     35 
     36    log = '';
     37    g.f();
     38    assertEq(log, '012');
     39 
     40    scripts[which].clearAllBreakpoints();
     41 
     42    log = '';
     43    g.f();
     44    assertEq(log, expected);
     45 }
     46 
     47 for (var j = 0; j < 3; j++)
     48    test(j);